PMO Scan

The following scan is on the web site but it is not correct. I have attempted to correct but seem to correct one error after another. Can somebody please make a suggestion on to correct. Thank you!!

[type = stock] AND [country = US] and

Smoothing Multiplier = (2 / time period) and

[Custom smoothing function = {close - smoothing function (previous day)} * smoothing multiplier + smoothing function(previous day)] and

[PMO Line = 20-period custom smoothing of (10 * 35-period custom smoothing of ((( today's price/ yesterday's price) * 100)- 100) )] and

[PMO signal line = 10-period EMA of the PMO Line]